State environmental officials sent out an air quality advisory for the Portland-Vancouver area, in effect from Monday until Tuesday night, due to elevated levels of smog caused by heat, sunlight and car pollution.Margaret Haberman | The Oregonian/OregonLive
State officials issued an air quality advisory Monday for the Portland-Vancouver metro area as temperatures skyrocketed for another day in the region.
The Oregon Department of Environmental Quality said ozone pollution from the heat could reach a level unhealthy for sensitive groups through Tuesday evening. Pollution levels peak in the late afternoon and early evening.
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